// The As*** functions never return null -- if the supplied type does not have the appropriate shape, an encoding of a bad type is returned.
#region AsPrimitive, AsCollection, AsStructured, ...
/// <summary>
/// If this reference is of a primitive type, this will return a valid primitive type reference to the type definition. Otherwise, it will return a bad primitive type reference.
/// </summary>
/// <param name="type">Reference to the calling object.</param>
/// <returns>A valid primitive type reference if the definition of the reference is of a primitive type. Otherwise a bad primitive type reference.</returns>
public static IEdmPrimitiveTypeReference AsPrimitive(this IEdmTypeReference type)
{
EdmUtil.CheckArgumentNull(type, "type");
IEdmPrimitiveTypeReference reference = type as IEdmPrimitiveTypeReference;
if (reference != null)
{
return(reference);
}
IEdmType typeDefinition = type.Definition;
if (typeDefinition.TypeKind == EdmTypeKind.Primitive)
{
var primitiveDefinition = typeDefinition as IEdmPrimitiveType;
if (primitiveDefinition != null)
{
switch (primitiveDefinition.PrimitiveKind)
{
case EdmPrimitiveTypeKind.Boolean:
case EdmPrimitiveTypeKind.Byte:
case EdmPrimitiveTypeKind.Double:
case EdmPrimitiveTypeKind.Guid:
case EdmPrimitiveTypeKind.Int16:
case EdmPrimitiveTypeKind.Int32:
case EdmPrimitiveTypeKind.Int64:
case EdmPrimitiveTypeKind.SByte:
case EdmPrimitiveTypeKind.Single:
case EdmPrimitiveTypeKind.Stream:
return(new EdmPrimitiveTypeReference(primitiveDefinition, type.IsNullable));
case EdmPrimitiveTypeKind.Binary:
return(type.AsBinary());
case EdmPrimitiveTypeKind.Decimal:
return(type.AsDecimal());
case EdmPrimitiveTypeKind.String:
return(type.AsString());
case EdmPrimitiveTypeKind.Duration:
case EdmPrimitiveTypeKind.DateTimeOffset:
return(type.AsTemporal());
case EdmPrimitiveTypeKind.Geography:
case EdmPrimitiveTypeKind.GeographyPoint:
case EdmPrimitiveTypeKind.GeographyLineString:
case EdmPrimitiveTypeKind.GeographyPolygon:
case EdmPrimitiveTypeKind.GeographyCollection:
case EdmPrimitiveTypeKind.GeographyMultiPolygon:
case EdmPrimitiveTypeKind.GeographyMultiLineString:
case EdmPrimitiveTypeKind.GeographyMultiPoint:
case EdmPrimitiveTypeKind.Geometry:
case EdmPrimitiveTypeKind.GeometryPoint:
case EdmPrimitiveTypeKind.GeometryLineString:
case EdmPrimitiveTypeKind.GeometryPolygon:
case EdmPrimitiveTypeKind.GeometryCollection:
case EdmPrimitiveTypeKind.GeometryMultiPolygon:
case EdmPrimitiveTypeKind.GeometryMultiLineString:
case EdmPrimitiveTypeKind.GeometryMultiPoint:
return(type.AsSpatial());
case EdmPrimitiveTypeKind.None:
break;
}
}
}
else if (typeDefinition.TypeKind == EdmTypeKind.TypeDefinition)
{
return(new EdmPrimitiveTypeReference(typeDefinition.UnderlyingType(), type.IsNullable));
}
string typeFullName = type.FullName();
List <EdmError> errors = new List <EdmError>(type.Errors());
if (errors.Count == 0)
{
errors.AddRange(ConversionError(type.Location(), typeFullName, EdmConstants.Type_Primitive));
}
return(new BadPrimitiveTypeReference(typeFullName, type.IsNullable, errors));
}
internal static IEdmType AsActualType(this IEdmType type)
{
IEdmPrimitiveType underlyingType = type.UnderlyingType();
return(underlyingType ?? type);
}